From 467cbf403b0f3497e856569ea4945d9bd39cf99f Mon Sep 17 00:00:00 2001
From: Connor Baker <ConnorBaker01@gmail.com>
Date: Fri, 21 Feb 2025 10:12:36 -0800
Subject: [PATCH] tests.testers.testBuildFailure': add negative tests for exit
 code check and log check

---
 .../testers/testBuildFailurePrime/tests.nix   | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/pkgs/build-support/testers/testBuildFailurePrime/tests.nix b/pkgs/build-support/testers/testBuildFailurePrime/tests.nix
index 9ba65387ae8b..1f1adadccb32 100644
--- a/pkgs/build-support/testers/testBuildFailurePrime/tests.nix
+++ b/pkgs/build-support/testers/testBuildFailurePrime/tests.nix
@@ -114,6 +114,34 @@ let
     };
 
     sideEffectsStructuredAttrs = overrideStructuredAttrs true final.sideEffects;
+
+    exitCodeNegativeTest = testers.testBuildFailure' {
+      drv = testers.testBuildFailure' {
+        drv = runCommand "exit-code" { } "exit 3";
+        # Default expected exit code is 1
+      };
+      expectedBuilderLogEntries = [
+        "ERROR: testBuilderExitCode: original builder produced exit code 3 but was expected to produce 1"
+      ];
+    };
+
+    exitCodeNegativeTestStructuredAttrs = overrideStructuredAttrs true final.exitCodeNegativeTest;
+
+    logNegativeTest = testers.testBuildFailure' {
+      drv = testers.testBuildFailure' {
+        drv = runCommand "exit-code" { } ''
+          nixLog "apples"
+          exit 3
+        '';
+        expectedBuilderExitCode = 3;
+        expectedBuilderLogEntries = [ "bees" ];
+      };
+      expectedBuilderLogEntries = [
+        "ERROR: testBuilderLogEntries: original builder log does not contain 'bees'"
+      ];
+    };
+
+    logNegativeTestStructuredAttrs = overrideStructuredAttrs true final.logNegativeTest;
   };
 in
 final